Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December's average high-temperature stands at a still frosty 7.8°C (46°F), showing little deviation from November's 9.7°C (49.5°F). Glynn records a slight downturn in temperature to an average of 5°C (41°F) during December nights.Humidity
In December, the average relative humidity is 85%.Rainfall
In Glynn, during December, the rain falls for 17.9 days and regularly aggregates up to 51mm (2.01") of precipitation. In Glynn, during the entire year, the rain falls for 222.6 days and collects up to 629mm (24.76") of precipitation.Snowfall
January through March, November and December are months with snowfall in Glynn. In Glynn, in December, during 0.9 snowfall days, 5mm (0.2") of snow is typically accumulated. In Glynn, during the entire year, snow falls for 6.5 days and aggregates up to 29mm (1.14") of snow.Daylight
With an average of 7h and 18min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 8:24 am and sunset at 4:00 pm. On the last day of December, sunrise is at 8:46 am and sunset at 4:06 pm GMT.
Sunshine
The average sunshine in December in Glynn is 4.1h.UV index
The months with the lowest UV index in Glynn are January through March, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Frequently asked questions
What is the temperature in December in Glynn?
What is the average humidity in December in Glynn?
How much does it rain in Glynn in December?
How many days does it snow in December in Glynn?
What is the month with the shortest days in Glynn?
How many hours of daylight does Glynn have in December?
When is the sunrise / sunset in December in Glynn?
How many hours of sunshine does Glynn have in December?
What is the month with the lowest UV index in Glynn?
What is the UV index reading in December in Glynn?
Average temperature in December
Glynn, United Kingdom
- Average high temperature in December: 7.8°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in December: 5°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in December
Glynn, United Kingdom
- Average pressure in December: 1009mbar
The month with the highest atmospheric pressure is May (1015.5mbar).
The month with the lowest atmospheric pressure is November (1007.1mbar).
Average wind speed in December
Glynn, United Kingdom
- Average wind speed in December: 26.6km/h
The windiest month (with the highest average wind speed) is December (26.6km/h).
The calmest month (with the lowest average wind speed) is June (16.1km/h).
Average humidity in December
Glynn, United Kingdom
- Average humidity in December: 85%
The months with the highest relative humidity are July and August (86%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in December
Glynn, United Kingdom
- Average rainfall in December: 51mm
The wettest month (with the highest rainfall) is August (75mm).
The driest months (with the least rainfall) are April, May and September (39mm).
Average rainfall days in December
Glynn, United Kingdom
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is April (16.3 days).
Average snowfall in December
Glynn, United Kingdom
- Average snowfall in December: 5mm
The months with the highest snowfall are February and March (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Glynn, United Kingdom
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Glynn, United Kingdom
- Average daylight in December: 7h and 2min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is June (Average sunshine: 7h and 54min).
The months with the least sunshine are January and February (Average sunshine: 3h and 48min).
Average sunshine days in December
Glynn, United Kingdom
- Average sunshine days in December: 9 days
The month with the most sunshine days is April (10.9 days).
The month with the least sunshine days is August (5.7 days).
Average UV index in December
Glynn, United Kingdom
- Average UV index in December: 2
The months with the highest UV index are June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Glynn, United Kingdom
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 53).
Average visibility in December
Glynn, United Kingdom
- Average visibility in December: 9km
The months with the highest visibility are March, September and November (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, October and December (9km).
Glynn, United Kingdom
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